build failed for imageName

[zacr]

I setup a custom deployment on GCE and followed all your directions. The build seems to fail near the end when I put one of the sample notebooks in my repo. Screenshot:

Where can I access more logs to troubleshoot?

[PegasusWang]

same error, my notebook written in python3.5.2

[gabrieldelaparra]

I am also having the same issue. My repo.
Jupyter 4.2.1
Python 3.5.2

Using the following packages:
scipy
scikit-image
matplotlib
numpy
widgetsnbextension
ipywidgets
mpld3